import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'

Vue.use(VueRouter)

const routes = [
  { path:'/',redirect:'/login'},
  { path:'/login',component:Login},
  { path:'/home',
    component:Home,
    redirect:'welcome',
   children :[{path:'/welcome',component:Welcome},{path:'/users',component:Users}]
  }
]

const router = new VueRouter({
  routes
})
router.beforeEach((to,from,next)=>{
  if (to.path === '/login') return next();
  const tokenStr = sessionStorage.getItem('token');
  if (!tokenStr) return next('/login');
  next();
})
export default router
